▎ 摘　　要

NOVELTY - Device comprises box body (15), plurality of support rods (16) are fixedly connected to the lower end of the box body, a fixing plate (1) is connected between the plurality of support rods, a water tank (3) is fixedly connected to an upper side of the fixing plate. The water injection port (4) is connected at a middle upper and upper positions of the water tank, a water outlet is connected at a right middle and lower position of the water tank, a sealing cover is screwed onto the water inlet and the water outlet. The fixing plate is fixedly connected to the plurality of support rods respectively, the left and right sides of the box body are respectively provided with a feeding port and a discharging port. The inside of the feeding port and the discharging port are symmetrically arranged with two rotatable driving rollers. The box body is internally equidistantly provided with a plurality of rotatable conveying rollers, the inside of the box is provided with a cleaning mechanism. USE - The device is useful for preparing graphene film (claimed). ADVANTAGE - The device: does not causes damage to graphene film. DETAILED DESCRIPTION - Device comprises box body (15), plurality of support rods (16) are fixedly connected to the lower end of the box body, a fixing plate (1) is connected between the plurality of support rods, a water tank (3) is fixedly connected to an upper side of the fixing plate. The water injection port (4) is connected at a middle upper and upper positions of the water tank, a water outlet is connected at a right middle and lower position of the water tank, a sealing cover is screwed onto the water inlet and the water outlet. The fixing plate is fixedly connected to the plurality of support rods respectively, the left and right sides of the box body are respectively provided with a feeding port and a discharging port. The inside of the feeding port and the discharging port are symmetrically arranged with two rotatable driving rollers. The box body is internally equidistantly provided with a plurality of rotatable conveying rollers, the inside of the box is provided with a cleaning mechanism, the inside of the box is further provided with a water circulation mechanism, a rotatable guide roller is connected on the right side of the box body. The hot air cover is connected on the right side of the box body, an adjustment mechanism for adjusting the position of the hot air cover is connected on the right side of the box, the inside of the hot air cover is provided with a drying mechanism for drying the graphene film. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the device. Fixing plate (1) Water tank (3) Water injection port (4) Box body (15) Support rods (16)